Home / 37,637.46-51,940.44-21,722.76

Finding the Fourth Proportional to 37,637.46, 51,940.44 and 21,722.76

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Solution

The fourth proportional to 37,637.46, 51,940.44 and 21,722.76 is: 29,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.46 : 51,940.44 = 21,722.76 : x
  2. Step 2: Convert to fraction form
    37,637.46/51,940.44 = 21,722.76/x
  3. Step 3: Cross multiply
    37,637.46x = 51,940.44 × 21,722.76
  4. Step 4: Simplify right side
    37,637.46x = 1,128,289,712.41
  5. Step 5: Solve for x
    x = 1,128,289,712.41/37,637.46
  6. Step 6: Final answer
    x = 29,977.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.